Record disc, turntable and method for fixing same

Details Record disc, turntable and method for fixing same Record disc, turntable and method for fixing same

1983-10-31

1985-07-30

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369270, 403348, G11B 2504, G11B 2300

Patent

active

045326223

ABSTRACT:
A record disc (10), and method for fixing same to a turntable (24). The record disc has a central opening (18) with a pair of arms (21) forming an interlock (20) and a pair of detents (22) formed integrally on a raised lip (23) extending outwardly from the lower surface of the record disc and surrounding the opening. The opening is placed over the central shaft (26) of the turntable and the record disc is secured to the turntable by the action of the interlock coacting with slots (28) formed at the base of the central shaft and the detents (22) held within a pair of openings (33) formed within a depression (30).

REFERENCES:
patent: 650272 (1900-05-01), Perry
patent: 2293212 (1942-08-01), Offen
patent: 2302503 (1942-11-01), Proctor
patent: 3600735 (1971-08-01), Jerabek
patent: 4124215 (1974-11-01), Marason et al.
patent: 4391548 (1983-07-01), Malish

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